@article{JRAM_1957__197_150330,
     author = {Hans-Joachim Kanold},
     title = {\"Uber mehrfach vollkommene {Zahlen.} {II.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {82--96},
     publisher = {mathdoc},
     volume = {197},
     year = {1957},
     zbl = {0077.05203},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1957__197_150330/}
}